1146220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 2427264

約数和(自身を除く): 1281044

約数列:

[1, 2, 4, 5, 10, 20, 223, 257, 446, 514, 892, 1028, 1115, 1285, 2230, 2570, 4460, 5140, 57311, 114622, 229244, 286555, 573110, 1146220]

約数ペア:

[(1, 1146220), (2, 573110), (4, 286555), (5, 229244), (10, 114622), (20, 57311), (223, 5140), (257, 4460), (446, 2570), (514, 2230), (892, 1285), (1028, 1115)]